816384076 has 12 divisors (see below), whose sum is σ = 1431417960. Its totient is φ = 407407520.

The previous prime is 816384073. The next prime is 816384083. The reversal of 816384076 is 670483618.

It is not an unprimeable number, because it can be changed into a prime (816384073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193786 + ... + 197953.

It is an arithmetic number, because the mean of its divisors is an integer number (119284830).

Almost surely, 2^816384076 is an apocalyptic number.

It is an amenable number.

816384076 is a deficient number, since it is larger than the sum of its proper divisors (615033884).

816384076 is a wasteful number, since it uses less digits than its factorization.

816384076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392264 (or 392262 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 816384076 is about 28572.4355979675. The cubic root of 816384076 is about 934.6123345478.

The spelling of 816384076 in words is "eight hundred sixteen million, three hundred eighty-four thousand, seventy-six".